| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | GND | Ground | |
| 2 | n/c | Not connected | |
| 3 | GND | Ground | |
| 4 | TXD+ | Transmit Data + | |
| 5 | TXD- | Transmit Data - | |
| 6 | n/c | Not connected | |
| 7 | RXCLK | TRxC of Zilog 8530 | |
| 8 | RXD+ | Receive Data + | |
| 9 | RXD- | Receive Data - |
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | GND | Ground | |
| 2 | n/c | Not connected | |
| 3 | GND | Ground | |
| 4 | TXD+ | Transmit Data + | |
| 5 | TXD- | Transmit Data - | |
| 6 | n/c | Not connected | |
| 7 | RXCLK | TRxC of Zilog 8530 | |
| 8 | RXD+ | Receive Data + | |
| 9 | RXD- | Receive Data - |